The contraction of both smooth muscle and cardiac muscle is controlled by motor neurons of the autonomic system. 1  The first, the preganglionic neurons, arise in the CNS and run to a ganglion in the body. 2  postganglionic neurons, which run to the effector organ (cardiac muscle, smooth muscle, or a gland). 3  sympathetic nervous system and the. 4  parasympat
In the spring we are fishing the Columbia River from Cathlamet, I-5 at Portland to the Bonneville Dam chasing the Spring Kings in our jet sled. These are a prized fish, the first to enter the river, full of fat, succulent, and some of the best eating salmon Washington State has to offer.
Salmon/Steelhead Species Information. There are eight species of native âsalmonidsâ in Washington. Each is adapted for the special conditions found in Washington and in the ocean. There are approximately 624 âpopulationsâ of salmon in Washington. There is a sixth fall-spawning salmon, the masu, or cherry salmon, which is found only in Asia. 2  This fish occupies the same niche that the sea-run cutthroat trout occupies in North America. 3  Steelhead and rainbow trout are the same species of fish; rainbow are the freshwater form, and steelhead the anadromous form.